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Restructuring Plan - Narrative (Details) - USD ($)
$ in Thousands
1 Months Ended 12 Months Ended
Oct. 31, 2017
Feb. 28, 2021
Feb. 29, 2020
Feb. 28, 2019
Restructuring Plan        
Accumulated costs incurred through fiscal year end   $ 9,200    
Restructuring charges   350 $ 3,313 $ 3,586
Cash restructuring payments   1,100    
Restructuring liability   100    
Cash restructuring payments to date   9,100    
Project Refuel        
Restructuring Plan        
Expected restructuring costs   10,300    
Minimum | Project Refuel        
Restructuring Plan        
Targeted annualized profit improvement $ 10,500      
Maximum | Project Refuel        
Restructuring Plan        
Targeted annualized profit improvement   $ 12,500